An approach is provided for reducing decision diagram related communication traffic and cost by encoding decision diagrams. The wellscreen defines a tubular body which is suitable for subterranean use in oil, gas, and water wells. The cyclic prefix may be adjusted to provide a pattern that yields an integer number of OFDM symbols in one zero crossing period. Furthermore, if by way of designing three nanotubes so as to be freely opened and closed by an electrostatic system, nano-substances of various shapes such as spherical, rod-form, etc. The bottom surface is connected between the two side surfaces.